(function() {
	function w() {
		var r = document.documentElement;
		var a = r.getBoundingClientRect().width;
		if (a > 750) {
			a = 750;
		}
		//750/w = 100/font-size
		rem = a / 7.5;
		r.style.fontSize = rem + "px"
	}
	var t;
	w();
	window.addEventListener("resize", function() {
		clearTimeout(t);
		t = setTimeout(w, 300)
	}, false);
})();